/* Import Geist font with font-display for better performance */
@import url('https://fonts.googleapis.com/css2?family=Geist:wght@400;500;600;700;800;900&display=swap');

/* CSS Custom Properties for better maintainability */
:root {
    /* Colors */
    --color-black: #000000;
    --color-white: #ffffff;
    --color-grey-light: #f4f4f5;
    --color-grey-medium: #a1a1aa;
    --color-grey-dark: #27272a;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;
    --spacing-3xl: 40px;
    --spacing-4xl: 48px;
    --spacing-5xl: 60px;
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-3xl: 48px;
    
    /* Typography */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.2s ease;
    --transition-slow: 0.3s ease;
    
    /* Shadows */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    
    /* Glass effect */
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover-bg: rgba(255, 255, 255, 0.05);
    --glass-hover-border: rgba(255, 255, 255, 0.2);
}

/* Modern CSS Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Improved body with better performance */
body {
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    min-height: 100vh;
    padding-top: 80px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    overflow-x: hidden;
}

/* Enhanced navbar with better backdrop blur */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1000;
    padding: var(--spacing-md) 0;
    border-top-left-radius: var(--radius-3xl);
    border-top-right-radius: var(--radius-3xl);
    transition: all var(--transition-normal);
}

/* Navbar scroll effect */
.navbar.scrolled {
    background: rgba(0, 0, 0, 0.95);
    border-bottom-color: var(--glass-hover-border);
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl);
}

.nav-brand {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-white);
    font-family: 'Geist', sans-serif;
    text-decoration: none;
    transition: transform var(--transition-fast);
}

.nav-brand:hover {
    transform: scale(1.05);
}

.brand-text {
    color: var(--color-white);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    list-style: none;
}

.nav-link {
    color: var(--color-grey-medium);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: 500;
    font-family: 'Geist', sans-serif;
    transition: all var(--transition-normal);
    position: relative;
    padding: var(--spacing-sm) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-white);
    transition: width var(--transition-normal);
}

.nav-link:hover {
    color: var(--color-white);
    transform: translateY(-1px);
}

.nav-link:hover::after {
    width: 100%;
}

.nav-button {
    background: var(--color-white);
    color: var(--color-black);
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Geist', sans-serif;
    position: relative;
    overflow: hidden;
}

.nav-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left var(--transition-slow);
}

.nav-button:hover {
    background: var(--color-grey-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.nav-button:hover::before {
    left: 100%;
}

.nav-button:active {
    transform: translateY(-1px);
}

/* Enhanced mobile menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    transition: transform var(--transition-normal);
}

.mobile-menu-toggle:hover {
    transform: scale(1.1);
}

.mobile-menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--color-white);
    transition: all var(--transition-slow);
    border-radius: 1px;
}

/* Hamburger animation */
.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Enhanced container with better glass effect */
.container {
    max-width: 900px;
    width: 100%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-3xl);
    padding: var(--spacing-5xl) var(--spacing-3xl);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    box-shadow: var(--shadow-lg);
    margin: var(--spacing-3xl) auto;
    position: relative;
    overflow: hidden;
}

/* Subtle gradient overlay */
.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
}

/* Hero Section with improved animations */
.hero-section {
    text-align: center;
    margin-bottom: var(--spacing-5xl);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.headline {
    font-size: var(--font-size-5xl);
    font-weight: 600;
    margin-bottom: var(--spacing-xl);
    color: var(--color-white);
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-family: 'Geist', sans-serif;
    background: linear-gradient(135deg, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.subheadline {
    font-size: var(--font-size-lg);
    color: var(--color-grey-medium);
    margin-bottom: var(--spacing-3xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    font-weight: 400;
    line-height: 1.6;
    font-family: 'Geist', sans-serif;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

/* Enhanced button group */
.button-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

/* Improved CTA buttons with advanced effects */
.cta-button {
    background: var(--color-white);
    color: var(--color-black);
    border: none;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Geist', sans-serif;
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    transform: translateZ(0);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover {
    background: var(--color-grey-light);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:active {
    transform: translateY(-1px) scale(1.01);
}

.cta-button.secondary {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--color-white);
    backdrop-filter: blur(10px);
}

.cta-button.secondary:hover {
    background: var(--glass-hover-bg);
    border-color: var(--glass-hover-border);
    color: var(--color-white);
}

/* ===== TAB SYSTEM FOR FEATURES ===== */

/* Tab Navigation */
.tab-navigation {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: var(--spacing-lg);
}

.tab-button {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--color-grey-medium);
    padding: var(--spacing-md) var(--spacing-2xl);
    font-size: var(--font-size-base);
    font-weight: 500;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-normal);
    font-family: 'Geist', sans-serif;
    position: relative;
    backdrop-filter: blur(10px);
}

.tab-button.active {
    background: var(--glass-hover-bg);
    border-color: var(--glass-hover-border);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 255, 255, 0.1);
}

.tab-button:hover:not(.active) {
    border-color: var(--glass-hover-border);
    color: var(--color-white);
    background: var(--glass-bg);
}

/* Tab Content Container */
.tab-content-wrapper {
    position: relative;
    overflow: hidden;
    min-height: 350px;
}

.tab-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transform: translateX(100px);
    transition: all 0.4s ease-in-out;
    pointer-events: none;
}

.tab-content.active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: all;
    position: relative;
}

.tab-content.slide-out-left {
    transform: translateX(-100px);
    opacity: 0;
}

.tab-content.slide-in-right {
    transform: translateX(100px);
    opacity: 0;
}

/* Enhanced features section with tabs */
.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.feature {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.feature::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.feature:hover {
    border-color: var(--glass-hover-border);
    background: var(--glass-hover-bg);
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(255, 255, 255, 0.08);
}

.feature:hover::before {
    opacity: 1;
}

.feature h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    font-weight: 600;
    font-family: 'Geist', sans-serif;
    letter-spacing: -0.01em;
}

.feature p {
    color: var(--color-grey-medium);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    font-family: 'Geist', sans-serif;
}

/* Premium Features Styling */
.premium-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.premium-feature {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-xl);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, var(--glass-bg), rgba(255, 215, 0, 0.05));
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.premium-feature::before {
    content: '✨';
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 1.2rem;
    opacity: 0.6;
}

.premium-feature::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255, 215, 0, 0.4), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.premium-feature:hover {
    border-color: rgba(255, 215, 0, 0.4);
    background: linear-gradient(135deg, var(--glass-hover-bg), rgba(255, 215, 0, 0.08));
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(255, 215, 0, 0.1);
}

.premium-feature:hover::after {
    opacity: 1;
}

.premium-feature h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    font-weight: 600;
    font-family: 'Geist', sans-serif;
    letter-spacing: -0.01em;
}

.premium-feature p {
    color: var(--color-grey-medium);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    font-family: 'Geist', sans-serif;
}

/* FIXED: Stats Section - 2ND ROW - Exactly 3 Blocks in One Row */
.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin: var(--spacing-5xl) 0;
    padding: 0;
}

.stat {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-2xl);
    padding: var(--spacing-3xl) var(--spacing-xl);
    text-align: center;
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    isolation: isolate;
}

/* Hover gradient effect */
.stat::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(102, 126, 234, 0.8) 25%, 
        rgba(118, 75, 162, 0.8) 75%, 
        transparent 100%
    );
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat:hover {
    transform: translateY(-8px) scale(1.02);
    border-color: var(--glass-hover-border);
    background: var(--glass-hover-bg);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.3),
        0 0 30px rgba(102, 126, 234, 0.1);
}

.stat:hover::before {
    opacity: 1;
}

.stat h3 {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-4xl));
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, 
        #ffffff 0%, 
        #f0f0f0 25%, 
        #e8e8e8 50%, 
        #f0f0f0 75%, 
        #ffffff 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    position: relative;
    font-family: 'Geist', sans-serif;
}

/* Add shimmer effect to numbers */
.stat h3::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.4), 
        transparent
    );
    animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
    0% { left: -100%; }
    50% { left: -100%; }
    100% { left: 100%; }
}

.stat p {
    color: var(--color-grey-medium);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin: 0;
    opacity: 0.9;
    transition: all var(--transition-normal);
    font-family: 'Geist', sans-serif;
}

.stat:hover p {
    color: var(--color-white);
    opacity: 1;
    transform: translateY(-2px);
    letter-spacing: 2px;
}

/* FIXED: Benefits Section - 3RD ROW - Exactly 3 Blocks in One Row */
.benefits {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-5xl);
}

.benefit {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    text-align: center;
    backdrop-filter: blur(15px) saturate(180%);
    -webkit-backdrop-filter: blur(15px) saturate(180%);
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.benefit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.benefit:hover {
    border-color: var(--glass-hover-border);
    background: var(--glass-hover-bg);
    transform: translateY(-12px);
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 0 40px rgba(255, 255, 255, 0.05);
}

.benefit:hover::before {
    opacity: 1;
}

.benefit h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    font-weight: 600;
    font-family: 'Geist', sans-serif;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.benefit p {
    color: var(--color-grey-medium);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    font-family: 'Geist', sans-serif;
}

/* Enhanced contact section */
.contact {
    text-align: center;
    padding-top: var(--spacing-3xl);
    border-top: 1px solid var(--glass-border);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 100px;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
}

.contact h2 {
    font-size: var(--font-size-3xl);
    margin-bottom: var(--spacing-lg);
    color: var(--color-white);
    font-weight: 600;
    font-family: 'Geist', sans-serif;
    letter-spacing: -0.01em;
}

.contact p {
    font-size: var(--font-size-base);
    color: var(--color-grey-medium);
    margin-bottom: var(--spacing-2xl);
    font-family: 'Geist', sans-serif;
}

/* Enhanced responsive design */
@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-3xl: 1.75rem;
        --spacing-5xl: 40px;
        --spacing-3xl: 30px;
    }

    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        border-top: 1px solid var(--glass-border);
        flex-direction: column;
        padding: var(--spacing-xl);
        gap: var(--spacing-lg);
    }

    .nav-menu.active {
        display: flex;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .container {
        padding: var(--spacing-3xl);
        margin: var(--spacing-lg);
        border-radius: var(--radius-2xl);
    }
    
    .navbar {
        border-top-left-radius: var(--radius-2xl);
        border-top-right-radius: var(--radius-2xl);
    }

    /* Tab Navigation responsive */
    .tab-navigation {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }
    
    .tab-button {
        width: 200px;
    }
    
    .features,
    .premium-features {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    /* Mobile: Stack blocks vertically for better usability */
    .stats {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin: var(--spacing-3xl) 0;
    }
    
    .stat {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .benefits {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        margin-bottom: var(--spacing-3xl);
    }
    
    .button-group {
        flex-direction: column;
        align-items: stretch;
    }
    
    .cta-button {
        width: 100%;
    }
}

@media (max-width: 480px) {
    :root {
        --font-size-5xl: 2rem;
        --font-size-3xl: 1.5rem;
        --spacing-5xl: 30px;
        --spacing-3xl: 20px;
    }

    body {
        padding-top: 70px;
    }
    
    .container {
        margin: var(--spacing-sm);
        border-radius: var(--spacing-2xl);
    }
    
    .navbar {
        border-top-left-radius: var(--spacing-2xl);
        border-top-right-radius: var(--spacing-2xl);
    }
    
    .nav-container {
        padding: 0 var(--spacing-lg);
    }
    
    .stat {
        padding: var(--spacing-xl);
    }
    
    .stat h3 {
        font-size: var(--font-size-2xl);
        margin-bottom: var(--spacing-sm);
    }
    
    .benefit {
        padding: var(--spacing-xl);
    }
    
    .benefit h3 {
        font-size: var(--font-size-lg);
        flex-direction: column;
        gap: var(--spacing-xs);
    }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus states for accessibility */
.nav-link:focus-visible,
.nav-button:focus-visible,
.cta-button:focus-visible,
.tab-button:focus-visible,
.mobile-menu-toggle:focus-visible {
    outline: 2px solid var(--color-white);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* Loading animation for stats when they come into view */
@keyframes countUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.stat {
    animation: countUp 0.8s ease-out forwards;
}

.stat:nth-child(1) {
    animation-delay: 0.1s;
}

.stat:nth-child(2) {
    animation-delay: 0.2s;
}

.stat:nth-child(3) {
    animation-delay: 0.3s;
}

/* Pulse effect for active community emphasis */
.stat:first-child h3 {
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}